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90vdc spindle.

Discussion in 'CNC Lathes' started by mr68gts, Nov 28, 2017.

  1. mr68gts

    mr68gts New
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    Noob with a question. I have a old Uminat 3 that I will be updating possibly with cnc but my issue is the spindle motor I picked up free (working I might add) is a 90vdc 2.2 amp 154 watt 6700 rpm motor. Can the Arduino run the 90v dc motor? And would it be possible to add the cnc parts to it at a latter date. Also if I use a 3 stepper board, do I have to run all 3? (I read you could burn up the board if you didnt)
    Thank You
    Paul M
     
  2. Joe Santarsiero

    Joe Santarsiero OB addict
    Staff Member Moderator Builder

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    Hi Paul,
    It sounds like you'll need a separate power supply and a relay for the spindle. The arduino will switch the relay with low voltage to power the spindle on and off using the 90vdc supply.
    You do not have to use every driver on a 3 or 4 driver shield.
    hope this helps.
    Joe
     
  3. mr68gts

    mr68gts New
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    Joe,
    Thank you for your reply, looks I know what to hunt for now!
     

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